Depth-based 3-DoF Grasping: Methods in this direction represented by Dex-Net 2.0 [1]} go further by directly deploying 2D-based networks, like GQ-CNN [1]}, on depth image processing to perform the grasping task. As the representation is aligned with planar grasping, they still belong to 3-DoF grasping and share the same issue with it.
